Various precipitation maps on time scales from one day ago to 2 years ago. Totals, departures from normal and percent of normal are available for the US as a whole or subregions of the US. Easy to use.

Users can plots maps of accumulated precipitation for the western US. Overlays of topography, counties, rivers, climate divisions, and hydrologic regions
relationships can be added. A similar page allows users to plot line plots of accumulated precipitation for a selected location.

Users can select stations for various regions around the
globe including the Southwest U.S.
for accumulated precipitation and precipitation deficits over
timescales of 30, 90 and 365 days. Maps are also available.